Latex configuration on Vim

vimrc

@@ -29,6 +29,7 @@ set spelllang=en_us
 set fillchars+=eob:~
 set showtabline=2
 set laststatus=2
+set backspace=indent,eol,start  " more powerful backspacing
 " ------------------
 
 " Basic styling
@@ -38,18 +39,40 @@ highlight CursorLine ctermbg=Black cterm=NONE
 highlight CursorLineNr ctermbg=Black cterm=bold ctermfg=Green
 highlight LineNr ctermbg=Black ctermfg=White
 
+" OS detection
+" ---------------------------------------------
+if !exists("g:os_current")
+	if system('uname -s') == "Linux\n"
+		let g:os_current = "Linux"
+	elseif system('uname -s') == "Darwin\n"
+		let g:os_current = "Darwin"
+	else
+		echom "Error: the current operating system won't support my Vim Config" 
+		let g:os_current = "Other"
+	endif
+endif
+" ---------------------------------------------
 " Plugin settings
 " ------------------
 call plug#begin()
-Plug 'https://github.com/Badacadabra/vim-archery'
-Plug 'vim-airline/vim-airline'
-Plug 'vim-airline/vim-airline-themes'
+	Plug 'sonph/onehalf', { 'rtp': 'vim' }
+	Plug 'https://github.com/Badacadabra/vim-archery'
+	Plug 'vim-airline/vim-airline'
+	Plug 'vim-airline/vim-airline-themes'
+	Plug 'lervag/vimtex'
+	Plug 'Valloric/YouCompleteMe'
+	Plug 'preservim/nerdtree'
+	"Plug 'liuchengxu/vim-which-key'
+	Plug 'godlygeek/tabular'
+	Plug 'preservim/vim-markdown'
+	Plug 'iamcco/markdown-preview.nvim', { 'do': { -> mkdp#util#install() }, 'for': ['markdown', 'vim-plug']}
+	Plug 'https://github.com/godlygeek/tabular'
 call plug#end()
 
 " Theme configuration
 " ------------------
-colorscheme archery
-let g:airline_theme = 'archery'
+colorscheme onehalfdark "archery
+let g:airline_theme = 'onehalfdark' "'archery'
 set t_Co=256
 let g:airline_powerline_fonts=1
 let g:airline#extensions#tabline#left_sep = ' '
@@ -57,3 +80,47 @@ let g:airline#extensions#tabline#left_alt_sep = '|'
 let g:airline_symbols = {}
 let g:airline_symbols.colnr = ' ㏇:'
 
+" LaTeX
+let g:tex_flavor='latex'
+set sw=2
+set iskeyword+=:
+let g:vimtex_view_method = "skim"
+let g:vimtex_compiler_latexmk= {'options' : ['-pdf', '-shell-escape', '-verbose', '-file-line-error', '-synctex=1', '-interaction=nonstopmode',],} " we need to enable -shell-escape to be able to use externalization library for avioiding recompiling unchanged diagrams/graphs created using tikz/pgfplots
+if !exists('g:ycm_semantic_triggers')
+      let g:ycm_semantic_triggers = {}
+	endif
+au VimEnter * let g:ycm_semantic_triggers.tex=g:vimtex#re#youcompleteme
+" ---------------------------------------------
+
+
+" Miscelanious
+" ---------------------------------------------
+" Easier write command
+let mapleader = " "
+nnoremap <leader>w <Cmd>write<CR>
+" NERDTree
+nnoremap <leader>n :NERDTreeFocus<CR>
+nnoremap <C-n> :NERDTree<CR>
+nnoremap <C-t> :NERDTreeToggle<CR>
+nnoremap <C-f> :NERDTreeFind<CR>
+let g:NERDTreeQuitOnOpen = 1
+" Whichkey
+set timeoutlen=500
+"let g:mapleader = "\<Space>"
+"let g:maplocalleader = ','
+"nnoremap <silent> <leader>      :<c-u>WhichKey '<Space>'<CR>
+"nnoremap <silent> <localleader> :<c-u>WhichKey  ','<CR>
+
+" Tabularize
+inoremap <silent> <Bar>   <Bar><Esc>:call <SID>align()<CR>a
+
+function! s:align()
+    let p = '^\s*|\s.*\s|\s*$'
+	if exists(':Tabularize') && getline('.') =~# '^\s*|' && (getline(line('.')-1) =~# p || getline(line('.')+1) =~# p)
+		let column = strlen(substitute(getline('.')[0:col('.')],'[^|]','','g'))
+		let position = strlen(matchstr(getline('.')[0:col('.')],'.*|\s*\zs.*'))
+		Tabularize/|/l1
+		normal! 0
+		call search(repeat('[^|]*|',column).'\s\{-\}'.repeat('.',position),'ce',line('.'))
+		endif
+endfunction